Konica Minolta bizhub 4050 - Manual (Page 40)

[Maintenance/Troubleshooting] 4-7
4.3 Cannot print 4
4.3.2 Problems on print quality
Description of problem Cause Remedy
No data is printed. A Toner Cartridge is
damaged. Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
The Imaging Unit is
damaged. Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
Paper is damp. Adjust the humidity of the paper storage place.
Remove the damp paper, then replace it with
new dry paper.
The paper setting of the
printer driver does not
match the paper that is
actually loaded on this
machine. Load the correct paper in this machine.
The power supply does
not match the specifica-
tion of this machine. Use the power supply that matches the specifi-
cation.
Multiple sheets are fed
out simultaneously. Remove paper from the paper tray, then check it
for static electricity. Flip through the paper, then
return it into the paper tray.
Paper is not correctly
loaded into the paper
tray. Remove paper, align its edges, return it into the
paper tray, then adjust the paper guide.
Printed in jet black. A Toner Cartridge is
damaged. Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
The Imaging Unit is
damaged. Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
A print is faint. The laser lens is dirty. Clean the laser lens.
Paper is damp. Remove the damp paper, then replace it with
new dry paper.
Toner is running out in
the Toner Cartridge. Replace the Toner Cartridge.
A Toner Cartridge is
damaged. Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
The Imaging Unit is
damaged. Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
The correct paper type is
not specified. When printing on thick paper, envelope, label
sheet, postcard, glossy paper, single side only
paper, special paper, or letterhead, specify the
paper type using the printer driver.
A print is dark. A Toner Cartridge is
damaged. Remove the Toner Cartridge, then check it for
damage. If the Toner Cartridge is damaged, re-
place it.
The Imaging Unit is
damaged. Remove Imaging Unit, then check them for
damage. If necessary, replace Imaging Unit.
The original does not
stick fast to the Original
Glass. Position the original so that it is pressed closely
against the Original Glass.
The specified copy den-
sity is too high. Set the copy density to a lower level.